﻿<!doctype html>
<html>

<head>
    <meta charset="utf-8">
    <title>定位课程</title>

    <link rel="stylesheet" href="css/style.css" />



</head>

<body>
    <div class="div_l">
        <div class="div_b"></div>
        <div class="div_b"></div>
        <div class="div_l_m" style="float: right;"></div>
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        <div class="div_s"></div>
        <div class="div_b" style="float: right;"></div>
        <div class="div_y" ></div>
      
    </div>
</body>

</html>